Side by side

CWC RN Quartz Divers Watch Mk.2, Matte TopvsPraesidus Service Watch

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

RN Quartz Divers Watch Mk.2, Matte Top
CWCRN Quartz Divers Watch Mk.2, Matte Top
MSRP $604
Service Watch
PraesidusService Watch
MSRP $259

At a glance

12 of 29 specs differ
Diameter
RN Quartz Divers Watch Mk.2, Matte Top41mm
Service Watch42mm
Power Reserve
RN Quartz Divers Watch Mk.2, Matte Top40h
Service Watch40h
Water Resistance
RN Quartz Divers Watch Mk.2, Matte Top300m
Service Watch100m
MSRP
RN Quartz Divers Watch Mk.2, Matte Top$604
Service Watch$259

Full specifications

Case

6 specs
Category
Diver
Field
Diameter
41mm
42mm
Thickness
12mm
Lug-to-Lug
47mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
CWC RN Quartz Divers Watch Mk.2, Matte Top (RN300-MT QS120)
Green
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Ronda 517
Seiko NH35
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$604
$259

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

CWC RN Quartz Divers Watch Mk.2, Matte Top

Owners widely praise the CWC RN Quartz Divers Watch Mk.2, Matte Top for its excellent matte case finishing, precise seconds hand alignment, and dial reminiscent of vintage military watches. The Mk.2 upgrades, including a sapphire crystal, improved lume, and a precise 120-click bezel described as perfection with no play, are consistently highlighted as significant improvements over earlier versions. One owner noted the quartz movement gained 8 seconds over several months. Overall, owners rate the CWC RN Quartz Divers Watch Mk.2, Matte Top highly for its solid construction, military significance, and terrific value.

Praesidus Service Watch

Owners widely praise the Praesidus Service Watch for its 38mm size and solid build quality, with the domed crystal providing vintage distortion and the unbranded dial appealing to history enthusiasts. However, owners report jumpy hand sensitivity when setting the time. One owner experienced a scratchy crown and a noisy rotor on their DD-45, which persisted after warranty service and eventually led to the crown locking mid-way. Concerns about slow customer service and a negative reputation for Praesidus's support are also noted by owners. On balance, owners appreciate the vintage aesthetic and wearability of the Praesidus Service Watch, though persistent customer service issues temper enthusiasm.

From video reviewers

The 38mm case size is a strength for those preferring smaller watches. The dial may show slight discoloration or unevenness in finish.

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